package chapter02;

import java.util.Scanner;

public class Example09 {
    public static void main(String[] args) {
        int graded = 75;

        Scanner scl = new Scanner(System.in);
        graded = scl.nextInt();

        if (graded >80){
            System.out.println("改成绩的等级为优");
        }else if (graded>70){
            System.out.println("改成绩的等级为良");
        }else if (graded>60){
            System.out.println("改成绩的等级为中");
        }else{
            System.out.println("改成绩的等级为差");
        }
    }
}
